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CPC
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AUDIO
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ROM version has
a size of 256K. It is split into 16K pages. 2 Pages are standard CPC roms,
one of which is a "extension rom".
Part of the Brunword
word processor is copied into RAM. This is done by it's "extension rom".
The ROM Select
port (&DFXX) is decoded and has 2 roles.
First is to select
which ROM page appears in the range &C000-&FFFF of the Z80's address
space. (It seems bit 7,6,5,4 must be 0). Bits 3..0 are decoded as the page
number. Page 1 and 2 only seem to be visible at this time.
The second role
(when bit 5,4 are used), makes a page visible in the range &4000-&FFFF
of the Z80's address space. Bit 5 seems to be rom enable/disable, bit 4
is set for the second role (0 for other), and bits 3..0 are the page number.
The exact decoding
of the ROM select port is unknown. The exact function of all the data bits
is not known.
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CPC
-
BRUNWORD ROM TEXTWRITER
MK4. Deze
versie werd gepubliceerd in 1995.
De ROM heeft
een grootte van 512KBs, opgesplitst in 16KBs pagina's (32). De
pagina 1,
2 en 3
($C1, $C2 en $C3 zijn het paginanummer van de
hardware) zijn
standaard CPC-ROMs en ze kunnen worden gewisseld op
het normale bereik
van $C000-$FFFF.
De inhoud van
deze 32 pagina's zijn:
0
($C0): tutorial.
1
($C1), 2 ($C2) en 3 ($C3): Brunword en Info-Script ($C3
bevat referenties
van de pagina lettertype en woordenboek).
4
($C8), 5 ($C9), 6 ($CA) en 7 ($CB): woordenboek.
8 -
30 ($D0-$D3, $D8-$DB, $E0-$E3, $E8-$EB, $F0-$F3, $F8-$FA):
23 lettertypen,
een voor de pagina.
31 ($FB): voorbeelden.
De ROM bevat
hardware om ROM-Selecteer poort ($DFXX) en alle 32 pagina's de decoderen
en zichtbaar maken (met inbegrip van de drie vorige) in het bereik $4000-$7FFF,
de RAM-pagina onder dit bereik is niet uit te schakelen en kan normaal
geschreven worden (dit werd voor de dump van de pagina's gebruikt). Voor
het vereenvoudigen om het paginanummer naar de ROM - Selecteer Poort
te verzenden, wij gaan vvor het feit om te overwegen dat de pagina's zijn
opgeslagen in 64 Kb banken.
(8). met dat
in gedachten, heeft het het paginanummer het volgende formaat: % 11bbb0pp
De twee meeste
bits moeten op 1 zijn, om de volgende pagina zichtbaar te maken; met de
drie bits bbb selecteren we de 64 KBs bank; de volgende bit moeten 0; en
met de twee minder belangrijke bits, selecteren we welke van de vier pagina's
van de bank is zichtbaar is.
Op dit moment,
kan Brunword niet worden gebruikt in een emulator of rom boord, want er
wordt geen ondersteuning voor het slimme ROM wisselbestand in het systeem
gebruikt. Het lijkt een soort hardware kopieerbeveiliging te zijn.
| ================================================= |
MK4. This version
was published in 1995.
The ROM has a
size of 512KBs, split in 16KBs pages (32). The pages 1, 2 and 3 ($C1, $C2
and $C3 are the page number for the hardware) are standard CPC ROMs and
they can be paged in at the normal $C000-$FFFF range.
The content of
these 32 pages are:
0 ($C0): Tutorial.
1 ($C1), 2 ($C2)
and 3 ($C3): Brunword and Info-Script ($C3 includes references of the font
and dictionary pages).
4 ($C8), 5 ($C9),
6 ($CA) and 7 ($CB): Dictionary.
8 - 30 ($D0-$D3,
$D8-$DB, $E0-$E3, $E8-$EB, $F0-$F3, $F8-$FA): 23 fonts, one for page.
31 ($FB): Examples.
The ROM includes
hardware to decode the ROM Select port ($DFXX) and make visible all the
32 pages (included the three previous) in the range $4000-$7FFF, the RAM
page under this range is not disable and can be written normally (this
was used to dump the pages).
For simplify
the page number to send to the ROM Select port, we are going to consider
that the pages are grouped in 64 KBs banks (8). With that in mind, the
page number to send has the next format: %11bbb0pp
The two most
weight bits need to be at 1 to make visible the page; with the three bits
bbb, we select the 64 KBs bank; the next bit need to be 0; and with the
two less weight bits, we select which of the four pages of the bank is
going to be visible.
At this time,
Brunword can not be used in any emulator or rom board, because there is
no support for the clever ROM paging system used. It seems to be a kind
of hardware copy protection. |
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CPC
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CENT POUR CENT X4 CARDS
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CPC
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DANDANATOR
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CPC
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DISCDRIVE (EMULATOR) CONTROLLERS
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CPC
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ELECTRIC STUDIO DRAWINGPEN
MANUAL |
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CPC
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HACK-IT
CPC
= MIRAGE IMAGER
CPC
- MULTIFACE TWO
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SYMBIFACE
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VORTEX
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CPC
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HARDDISK + CONTROLLERS
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CPC
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MEMORY
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CPC
WIKI MP2 TV CONVERTOR
|
CPC
SCHNEIDER - MP2 (TV CONVERTOR)
A TV-modulator
and power supply by Amstrad for the classic CPC-computers
As the Amstrad
CPCs always came together with a monitor, normally there was no need for
a TV modulator inside the CPC as seen on other home computers (Sinclair
Spectrum, Commodore C64/C128 and so on). As the power supply was included
inside the monitor, there wasn't an external power supply either.
If you bought
an Amstrad CPC together with one of the Amstrad GT64/GT65 Green Monitors
however, you might have wanted the ability to play games on the colour
TV-set later, so Amstrad also made the MP-1/MP-2 devices. They provided
the power needed by the CPCs, so that you didn't have to carry the monitor
around just to have power, and a TV-modulator which modulated the monitor
signal in a way that it could be seen on a regular TV-set.
Having an MP-1/MP-2
today is more or less just a gimmick, as a self-made TV SCART cable gives
better picture quality (SCART connectors weren't common back in the 80s)
and the power can be taken from a PC AT or even ATX power supply as well.
The difference
between the MP-1 and MP-2 models is just the additional 12V power supply
for the CPC664/CPC6128's disk drive in the later model.
Supply In: ~220V/50Hz,
12W
Supply Out: +5V
(both MP1 and MP2), +12V (MP2 only)
Video In: RGB,
Sync (6pin DIN)
Video Out: Unknown,
probably UHF 37 or so (?) (2pin)
Note: There has
been also a french version of the MP2, the MP2F (with Scart output). As
well as a spanish version, the MPV 001 (with unknown output). |
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CPC
WIKI POWER CONTROLLER |
CPC
- POWERCONTROLLER-SET
Connects to the
34pin Printer Port. The first 7 relays are controlled by the seven Centronics
Data lines, the eight relay is controlled by Centronics Strobe signal.
The relays can
be thus controlled by writing an 8bit value to Port EFxxh. Observe that
the CPC hardware inverts the strobe bit (so bit7 has opposite meaning as
the other bits).
The relays are
rated 7A/120VAC, 7A?/24VDC, 5A/240VAC. Each relay has three contacts (common,
position 1, and position 2). The relays are driven by an external 7.5V
power supply (required since the printer port does not output supply
voltages). |
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CPC
-
POWERSPLITTER |
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CPC
WIKI VIDEO DIGITIZER |
CPC
-
VIDEO DIGITIZER
VIDI is a video
-frame grabber / digitiser specifically designed for use with the Amstrad
CPC range of computers.
With this package,
it is possible to capture a picture from any standard video source, camera,
video recorder, even other computers. You may then save this picture on
disc or tape, produce dynamic effects, manipulate the picture or re_display
it on your CPC computer screen.
Pictures can be
grabbed in MODE 2 (hi-resolution, 2 shades), MODE 1 (med-resolution, 4
shades) or a special 16 shade MODE O synthesised picture.
VIDI contains
its own CRT controller and 16k of video RAM enabling it to capture a moving
picture at over 6 frames per second.
A ribbon cable
with dual expansion connectors connects VIDI to the computer. A suitable
video lead is also supplied, fitted with RCA (phono) and BNC (video) connectors.
Software is provided
in two forms, an interactive control program and BASIC extensions (RSX's)
for simple control of the sophisticated VIDI hardware.
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